#include<bits/stdc++.h>
using namespace std;
int n,a,s[100005],m,u;
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin >> n;
    for(int i=1;i<=n;i++){
        scanf("%d",&a);
        s[a]++;
        m=max(m,a);
    }for(int i=1;i<=m;i++){
        u=max(u,s[i]);
    }cout << u;
    return 0;
}
